Why do pigs roll around in the mud?

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The muddy truth about why pigs like rolling around in mud or water so much is that it helps them to cool down! Humans sweat in order to cool down on a hot day, but pigs don’t have very many sweat glands, so it’s not as helpful for them as it is for us. Instead, pigs cool down by taking a mud bath!    

The reason that pigs often chose mud instead of water is that the mud also helps to protect them from getting sunburned and keeps away bugs. The water in mud also evaporates more slowly, so it cools a big for longer than plain H2O. Some researchers even think wallowing in mud might be a chance for pigs to mark their territory!  

by   (whyzz writer)
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